🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 8.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.81 AU - 0.97 AU

Year: 580 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,275,562 km

• M1: 102,026 km (0.07 R)
• M2: 448,345 km (0.113 R)
• M3: 727,794 km (0.073 R)
• M4: 1,011,431 km (0.075 R)
• M5: 2,087,937 km (0.06 R)
• M6: 2,411,368 km (0.065 R)
• M7: 3,650,637 km (0.083 R)
• M8: 4,000,995 km (0.114 R)
• M9: 5,598,551 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.8

Radius: 13.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.11 AU - 3.15 AU

Year: 3822 Days

Day: 8.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,275,562 km

• M1: 171,589 km (0.031 R)
• M2: 620,682 km (0.036 R)
• M3: 1,073,365 km (0.103 R)
• M4: 1,551,779 km (0.098 R)
• M5: 2,175,153 km (0.037 R)
• M6: 2,997,642 km (0.11 R)
• M7: 3,443,145 km (0.09 R)
• M8: 3,997,554 km (0.106 R)
• M9: 5,029,630 km (0.105 R)
• M10: 6,470,407 km (0.119 R)
• M11: 6,964,978 km (0.115 R)
• M12: 7,788,664 km (0.092 R)
• M13: 8,277,699 km (0.111 R)
• M14: 9,433,941 km (0.092 R)
• M15: 10,276,775 km (0.081 R)
• M16: 11,837,680 km (0.05 R)
• M17: 13,701,669 km (0.095 R)
• M18: 18,004,702 km (0.09 R)
• M19: 18,738,330 km (0.119 R)
• M20: 24,002,380 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 14.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.42 AU - 4.88 AU

Year: 6921 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,275,562 km

• M1: 184,005 km (0.114 R)
• M2: 810,372 km (0.093 R)
• M3: 1,304,045 km (0.088 R)
• M4: 2,429,918 km (0.11 R)
• M5: 2,972,510 km (0.047 R)
• M6: 3,754,159 km (0.094 R)
• M7: 4,590,111 km (0.038 R)
• M8: 5,457,779 km (0.084 R)
• M9: 6,333,375 km (0.083 R)
• M10: 7,300,825 km (0.075 R)
• M11: 7,934,970 km (0.082 R)
• M12: 9,271,478 km (0.046 R)
• M13: 10,800,667 km (0.054 R)
• M14: 13,566,732 km (0.077 R)
• M15: 14,069,829 km (0.092 R)
• M16: 16,648,597 km (0.116 R)
• M17: 21,049,168 km (0.075 R)
• M18: 24,572,049 km (0.102 R)
• M19: 26,257,269 km (0.082 R)
• M20: 27,393,315 km (0.106 R)
• M21: 29,204,646 km (0.092 R)
• M22: 29,951,139 km (0.032 R)
• M23: 30,710,348 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 11.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.23 AU - 5.93 AU

Year: 7903 Days

Day: 7.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,275,562 km

• M1: 144,362 km (0.084 R)
• M2: 534,513 km (0.098 R)
• M3: 1,075,908 km (0.039 R)
• M4: 2,012,989 km (0.115 R)
• M5: 2,602,554 km (0.093 R)
• M6: 3,202,890 km (0.094 R)
• M7: 3,645,551 km (0.105 R)
• M8: 4,551,515 km (0.113 R)
• M9: 4,948,099 km (0.037 R)
• M10: 6,671,616 km (0.118 R)
• M11: 7,469,571 km (0.088 R)
• M12: 11,843,663 km (0.119 R)
• M13: 14,091,072 km (0.066 R)
• M14: 14,482,121 km (0.059 R)
• M15: 16,920,267 km (0.082 R)
• M16: 17,554,113 km (0.115 R)
• M17: 19,620,210 km (0.071 R)
• M18: 22,443,720 km (0.119 R)
• M19: 24,309,804 km (0.118 R)
• M20: 26,277,315 km (0.098 R)
• M21: 28,973,068 km (0.096 R)
• M22: 29,880,529 km (0.114 R)
• M23: 30,806,989 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 9.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.68 AU - 5.82 AU

Year: 8303 Days

Day: 12.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,275,562 km

• M1: 123,418 km (0.085 R)
• M2: 432,487 km (0.108 R)
• M3: 736,022 km (0.1 R)
• M4: 1,163,722 km (0.112 R)
• M5: 1,610,122 km (0.104 R)
• M6: 2,376,811 km (0.047 R)
• M7: 3,048,057 km (0.028 R)
• M8: 3,672,029 km (0.038 R)
• M9: 5,387,169 km (0.051 R)
• M10: 5,917,194 km (0.039 R)
• M11: 7,081,365 km (0.087 R)
• M12: 8,392,141 km (0.097 R)
• M13: 9,898,442 km (0.114 R)
• M14: 11,041,819 km (0.104 R)
• M15: 12,797,200 km (0.078 R)
• M16: 13,189,296 km (0.052 R)
• M17: 16,332,946 km (0.076 R)
• M18: 17,205,401 km (0.112 R)
• M19: 18,169,858 km (0.057 R)
• M20: 19,106,490 km (0.103 R)
• M21: 24,203,739 km (0.033 R)
• M22: 25,260,498 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.9

Radius: 6

Gravity: 27.53 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.65 AU - 6.25 AU

Year: 10018 Days

Day: 22.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,275,562 km

• M1: 75,996 km (0.079 R)
• M2: 385,514 km (0.086 R)
• M3: 891,454 km (0.101 R)
• M4: 2,112,322 km (0.045 R)
• M5: 2,339,262 km (0.088 R)
• M6: 2,710,265 km (0.112 R)
• M7: 3,216,205 km (0.078 R)
• M8: 3,415,020 km (0.066 R)
• M9: 3,865,160 km (0.057 R)
• M10: 4,948,099 km (0.045 R)
• M11: 5,489,195 km (0.108 R)
• M12: 6,068,737 km (0.106 R)
• M13: 6,648,578 km (0.116 R)
• M14: 7,264,473 km (0.11 R)
• M15: 7,521,183 km (0.093 R)
• M16: 7,739,745 km (0.109 R)
• M17: 8,327,964 km (0.11 R)
• M18: 9,440,972 km (0.117 R)
• M19: 10,006,901 km (0.098 R)
• M20: 10,981,531 km (0.083 R)
• M21: 13,243,899 km (0.066 R)
• M22: 15,657,212 km (0.095 R)
• M23: 16,669,990 km (0.104 R)
• M24: 17,192,386 km (0.097 R)
• M25: 22,127,320 km (0.105 R)
• M26: 24,915,675 km (0.114 R)
• M27: 35,276,075 km (0.077 R)
• M28: 41,868,704 km (0.056 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,702 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit